We may possibly use an ad hoc item "City of United Kingdom", subclass of "city" and "UK administrative division", may we?
L. Il 10/giu/2014 10:21 "Markus Krötzsch" <[email protected]> ha scritto: > On 07/06/14 00:40, Joe Filceolaire wrote: > >> Well they can ask..... >> >> As there is no real definition of what is a city and what the limits of >> each city are I'm not sure they will get a useful answer. The population >> of the "City of London" (Q23311), for instance, is only 7,375! Should we >> change it from 'instance of:city' to 'instance of:village'? >> > > Side remark: in the UK, "city" and "town" are special legal statuses of > settlements. This terminology is what "City of London" refers to. There is > a clear and crisp definition for what this means, but it is not what we > mean by our class "city" in Wikidata. In particular, this has no direct > relationship to size: the largest UK "towns" have over 100k inhabitants. > > The class "city" is used for "relatively large and permanent human > settlement[s]" [1], which does not say much (because the vagueness of > "relatively"). Maybe we should even wonder if "city" is a good class to use > in Wikidata. Saying that something has been awarded city status in the UK > (Q1867820) has a clear meaning. Saying that something is a "human > settlement" is also rather clear. But drawing the line between "village", > "city" and "town" is quite tricky, and will probably never be done > uniformly across the data. > > Conclusion: if you are looking for, say, human settlements with more than > 100k inhabitants, then you should be searching for just that (which I think > is basically what you also are saying below :-). > > Markus > > [1] https://en.wikipedia.org/wiki/City > > > >> Even a basic query like 'people born in the Czech republic' has >> problems. Should it include people born in Czechoslovakia or the >> Austro-Hungarian provinces of Bohemia and Moravia? To exclude these the >> query needs to check not just if the 'place of birth' of an item is 'in >> the administrative entity:Czech Republic' today but whether that was >> true on the 'date of birth' of each of those people. >> >> This isn't to say that such queries are not useful. Just to point out >> that real world data is tricky. The cool thing is that we are going to >> have the data in Wikidata to make it theoretically feasible to drill >> down and get answers to these tricky questions. Once the data is there, >> open licensed for anyone to use, then it is just a matter of a letting >> loose a thousand PhDs to devise clever ways to query it. >> >> If we build it they will come! >> >> At least that is my understanding. >> >> Joe >> >> >> On Fri, Jun 6, 2014 at 9:21 PM, Jeroen De Dauw <[email protected] >> <mailto:[email protected]>> wrote: >> >> Hey Yury, >> >> We are indeed planning to use the Ask query language for Wikidata. >> >> People will be able to define queries on dedicated query pages that >> contain a query entity. These query entities will represent things >> such as "The cities with highest population in Europe". People will >> then be able to access the result for those queries via the web API >> and be able to embed different views on them into wiki pages. These >> views will be much like SMW result formats, and we might indeed be >> able to share code between the two projects for that. >> >> This functionality is still some way off though. We still need to do >> a lot of work, such as creating a nice visual query builder. To >> already get something out to the users, we plan to enable more >> simple queries via the web API in the near future. >> >> Cheers >> >> -- >> Jeroen De Dauw - http://www.bn2vs.com >> Software craftsmanship advocate >> Evil software architect at Wikimedia Germany >> ~=[,,_,,]:3 >> >> _______________________________________________ >> Wikidata-l mailing list >> [email protected] <mailto:[email protected] >> > >> https://lists.wikimedia.org/mailman/listinfo/wikidata-l >> >> >> >> >> _______________________________________________ >> Wikidata-l mailing list >> [email protected] >> https://lists.wikimedia.org/mailman/listinfo/wikidata-l >> >> > > _______________________________________________ > Wikidata-l mailing list > [email protected] > https://lists.wikimedia.org/mailman/listinfo/wikidata-l >
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